private void btnGo_Click_old(object sender, RoutedEventArgs e)
{
progressBar.IsIndeterminate = true;
txtStatus.Text = "Please Wait";
btnGo.IsEnabled = false;
btnCancel.IsEnabled = true;
var task = PrimesCalculator.GetAllPrimesAsync(0, 250000);
var tcont = task.ContinueWith(_ =>
{
try
{
var results = task.Result;
lstResults.ItemsSource = results;
txtStatus.Text = "Done";
progressBar.IsIndeterminate = false;
btnGo.IsEnabled = true;
btnCancel.IsEnabled = false;
}
catch (AggregateException ex)
{
}
catch (InvalidOperationException ex)
{
}
return("Hello");
}, TaskScheduler.FromCurrentSynchronizationContext());
}
private void btnGo_Click1(object sender, RoutedEventArgs e)
{
txtStatus.Text = "Calculating...";
btnGo.IsEnabled = false;
btnCancel.IsEnabled = true;
progress.IsIndeterminate = true;
PrimesCalculator.GetAllPrimesAsync(2, 180000)
.ContinueWith(task =>
{
var results = task.Result;
lstResults.ItemsSource = results;
txtStatus.Text = "Completed";
btnGo.IsEnabled = true;
btnCancel.IsEnabled = false;
progress.IsIndeterminate = false;
}, TaskScheduler.FromCurrentSynchronizationContext());
}
private async Task <int> _run()
{
Task <List <int> > task = null;
try
{
Debug.WriteLine("A"); // now
progressBar.IsIndeterminate = true;
txtStatus.Text = "Please Wait";
btnGo.IsEnabled = false;
btnCancel.IsEnabled = true;
task = PrimesCalculator.GetAllPrimesAsync(0, 250000);
Debug.WriteLine("B"); // now
var results = await task;
Debug.WriteLine("C"); // later
lstResults.ItemsSource = results;
txtStatus.Text = "Done";
Debug.WriteLine("D");// later
return(results.Count);
}
catch (Exception ex)
{
txtStatus.Foreground = Brushes.Red;
txtStatus.Text = ex.Message;
}
finally
{
progressBar.IsIndeterminate = false;
btnGo.IsEnabled = true;
btnCancel.IsEnabled = false;
}
return(0);
}
private async Task <string> goAsync()
{
Debug.WriteLine("1");
txtStatus.Text = "Calculating...";
btnGo.IsEnabled = false;
btnCancel.IsEnabled = true;
progress.IsIndeterminate = true;
Debug.WriteLine("2");
var results = await PrimesCalculator.GetAllPrimesAsync(2, 180000);
Debug.WriteLine("3");
lstResults.ItemsSource = results;
txtStatus.Text = "Completed";
btnGo.IsEnabled = true;
btnCancel.IsEnabled = false;
progress.IsIndeterminate = false;
Debug.WriteLine("4");
return("Hello");
}